body{
     background-image: url(bg.jpg);
     -webkit-background-size:cover;
     background-size: cover;
     background-repeat: repeat-y;
     overflow: hidden;
}
h1{
    text-align: center; 
    font-size: 60px;
    color: deepskyblue;
    font-family: '方正舒体';
}
a{
    text-decoration: none;
    color: #f60;
    font-weight: '楷体';
    font-size:16px;
}
#touxiang{
    width: 100px;
    height: 100px;  
    margin-left: 60px;
    border-radius: 50%;
}
li{
    display: block;
    text-align: center;
    margin: 10px;
    padding-top: 10px;
    font-size: 20px;
    /*float: left;*/
    align-content: center;
    font-family: '方正舒体';
}
li:hover{
    margin: 10px;
    font-family :'方正舒体';
    text-align: center;
    line-height: 40px;
}
#content{
    width: 80px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    border-radius: 20px;
    background-color: lightgreen;
}
#content a{
    height: 80px;
    width: 100px;
    font-family: '楷体';
    font-weight: bold;
    font-size: 20px;
    text-decoration: none;
    color: #fa6;
}
#content a:hover{
    color: wheat;
}